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Eaton / Cutler-Hammer CHH3175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHH3175
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHH3175
Quantity
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Eaton / Cutler-Hammer CHH3175 - 175A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for high-fault environments, the Eaton CHH3175 operates as a 175A, 3-pole molded case circuit breaker. It provides robust thermal-magnetic protection with fixed long-time and instantaneous trip functions, achieving a high 100 kAIC rating at 240VAC. This bolt-on MCCB is designed for commercial power distribution. It mounts into Eaton 35MM, 37MM, 35SS, and 37SS modular metering stacks. The breaker complies with UL 489 standards. For newer installations, it crosses to the CVH3175X.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHH3175 |
| Series | CHH |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC |
| Frame Type | CHH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Modular Metering Stacks (35SS, 37MM, 37SS, 35MM) |
| Wire Gauge | #2 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | #2 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, HACR Rated |
Product FAQs
6 answersWhich metering stacks are compatible with the CHH3175 breaker?
This 3-pole breaker is specifically designed to integrate with Eaton and Cutler-Hammer modular metering stacks, including the 35SS, 37MM, 37SS, and 35MM series enclosures.
What is the recommended replacement for the CHH3175 in newer installations?
For newer commercial metering installations or panel upgrades, the CHH3175 crosses over to the Eaton CVH3175X molded case circuit breaker.
What are the acceptable conductor sizes for the CHH3175 lugs?
The factory-installed feed-thru lugs accommodate #2 AWG through 300 kcmil copper or aluminum (Cu/Al) wire, allowing for flexible service entrance or feeder connections.
How does the thermal-magnetic trip unit function on this breaker?
The CHH3175 features a fixed thermal-magnetic trip unit with LI (Long-Time, Instantaneous) functions. The long-time element provides delayed tripping for standard overloads, while the instantaneous element clears short circuits immediately.
Can the CHH3175 be used in systems with high available fault current?
Yes, it carries a 100kAIC interrupting rating at 240V, making it fully capable of safely clearing severe short circuits in commercial high-fault environments.
Does this breaker require a specific mounting hardware configuration?
Yes, the CHH3175 utilizes a bolt-on mounting style. It must be bolted directly to the busbars within compatible Eaton modular metering stacks to ensure a secure, high-capacity electrical connection.
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